Moving contact assembly of disconnecting switch

Abstract

The utility model relates to a moving contact assembly of an isolating switch, which comprises a rotating shaft, a moving contact, a moving contact sleeve, a spring piece and a U-shaped buckle, the moving contact, the moving contact sleeve, the spring piece and the U-shaped buckle are arranged in the rotating shaft in a penetrating manner, and the rotating shaft is formed by splicing a rotating shaft seat and a rotating shaft cover, so that the moving contact, the moving contact sleeve and the spring piece can be conveniently mounted in the rotating shaft. Meanwhile, the moving contact, the moving contact sleeve and the spring piece are assembled into a whole which is not prone to falling apart through the U-shaped buckle, assembling of the moving contact assembly is more convenient, the U-shaped buckle bears pressure on the outer side of the spring piece, the pressure can be prevented from being transmitted to the rotating shaft, the splicing reliability of the rotating shaft base and the rotating shaft cover is guaranteed, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of components of disconnecting switch, especially a kind of moving contact assembly of disconnecting switch. BACKGROUND

[0002] Disconnecting switch is a kind of switch equipment in circuit Isolation. The contact system of disconnecting switch is composed of moving contact and static contact, moving contact is arranged between static contact and rotates, respectively with the static contact of two ends is closed and is broken, moving contact is usually arranged in rotating shaft, the rotation of moving contact is controlled by rotating shaft to realize the closure and break of static contact, the rotating shaft of prior art is usually integrally formed, moving contact and spring sheet are fixed by being placed in rotating shaft, this assembly method needs to overcome the spring force of spring sheet to assemble, inconvenient to assemble, assembly efficiency is low, and the yield is not high, so a kind of moving contact assembly of disconnecting switch for easy assembly is needed. SUMMARY

[0003] In view of the above shortcomings, the utility model provides a kind of moving contact assembly of disconnecting switch for easy assembly and reliable performance.

[0004] In order to realize the above object, the utility model adopts a kind of moving contact assembly of disconnecting switch, including rotating shaft and the moving contact, moving contact sleeve and spring sheet placed in rotating shaft, moving contact is arranged in the inside of moving contact sleeve, spring sheet is arranged on the outside of moving contact sleeve, the two ends of spring sheet are pressed on moving contact sleeve towards inside, the middle part of spring sheet is outwardly convex, the moving contact assembly further includes U type buckle, the middle part of spring sheet forms buckle slot towards outside, the two ends of U type buckle are respectively arranged in the buckle slot of two spring sheets, the rotating shaft includes rotating shaft seat and rotating shaft cover, splicing groove is formed on rotating shaft seat, splicing hook is formed on rotating shaft cover, and the splicing of rotating shaft cover with rotating shaft seat is realized by being hooked in splicing groove through splicing hook.

[0005] Particularly, the moving contact is arranged on the inner wall of one side moving contact sleeve, and the moving contact and the center of the other side moving contact sleeve form opposite top blocks.

[0006] Particularly, the moving contact assembly further includes support plates, the moving contact forms two support plate hinge points on the two sides of the top block, the two support plates are respectively hinged on the support plate hinge points of the moving contact, and the support points protruding to both sides are formed on the support plates.

[0007] Particularly, two symmetrical splicing grooves are formed on the rotating shaft seat, two symmetrical splicing hooks are formed on the rotating shaft cover, and the splicing hooks are buckled in the splicing grooves.

[0008] Particularly, the side wall of the rotating shaft forms a separation block outwardly convex and separating the two ends of moving contact, and the splicing groove on the rotating shaft seat and the splicing hook on the rotating shaft cover are respectively arranged on the separation block.

[0009] Specifically, the outer ends of the moving contact sleeve form outward protruding spring plate fixing points, and the two ends of the spring plate form semi-circular grooves, through which the spring plate rests against the spring fixing points.

[0010] Specifically, the moving contact sleeve is formed by splicing two moving contact sleeve side plates, with opposing splicing blocks formed on the two moving contact sleeve side plates. The splicing blocks are connected to each other and support the moving contact sleeve side plates to form a gap in the center to accommodate the moving contact.

[0011] The beneficial effects of this utility model are that the rotating shaft is assembled from a rotating shaft seat and a rotating shaft cover, which facilitates the installation of the moving contact, moving contact sleeve, and spring plate into the rotating shaft. Simultaneously, the moving contact, moving contact sleeve, and spring plate are assembled into a unified whole using U-shaped buckles, making the assembly of the moving contact assembly more convenient. Furthermore, the U-shaped buckles bear the outer pressure of the spring plate, preventing pressure from being transmitted to the rotating shaft, ensuring the reliability of the joint between the rotating shaft seat and the rotating shaft cover, and improving service life. The moving contact adopts a single-sided contact structure with a support plate, which maintains the reliability of the electrical connection while saving copper material. Attached Figure Description

[0012] Fig. 1 This is a schematic diagram of a specific embodiment of the present utility model.

[0013] Fig. 2 This is a partial exploded view of a specific embodiment of this utility model.

[0014] Fig. 3 This is an exploded view of a specific embodiment of this utility model. Detailed Implementation

[0015] like Figs. 1-3 As shown, a specific embodiment of this utility model is a moving contact assembly of a disconnecting switch, including a rotating shaft 1 and a moving contact 2, a moving contact sleeve 3, and a spring plate 4 inserted inside the rotating shaft 1. The moving contact 2 is disposed on the inner wall of one side of the moving contact sleeve 3, and the centers of the moving contact 2 and the moving contact sleeve 3 on the other side form opposing top blocks 21. The spring plate 4 is disposed on the outer side of the moving contact sleeve 3, with both ends of the spring plate 4 pressed inward against the moving contact sleeve 3, and the middle part of the spring plate 4 protruding outward. The moving contact assembly also includes a U-shaped buckle 5, with a snap-fit ​​groove 41 formed in the middle of the spring plate 4 facing outward, and both ends of the U-shaped buckle 5 respectively disposed in the snap-fit ​​grooves 41 of the two spring plates 4. The rotating shaft 1 includes a rotating shaft seat 11 and a rotating shaft cover 12. A splicing groove 13 is formed on the rotating shaft seat 11, and a splicing hook 14 is formed on the rotating shaft cover 12. The rotating shaft cover 12 is hooked into the splicing groove 13 by the splicing hook 14 to achieve splicing with the rotating shaft seat 11.

[0016] The moving contact assembly also includes a support plate 6. The moving contact 2 has two support plate hinge points 22 formed on both sides of the top block 21. The two support plates 6 are respectively hinged to the support plate hinge points 22 of the moving contact 2. Support points 61 protruding to both sides are formed on the support plate 6.

[0017] On the side wall of the rotating shaft 1, symmetrically protruding outwards, are dividing blocks 15 that separate the moving contacts 2 at both ends. The splicing groove 13 on the rotating shaft seat 11 and the splicing hook 14 on the rotating shaft cover 12 are respectively set on the dividing blocks 15.

[0018] The outer ends of the moving contact sleeve 3 form outward protruding spring plate fixing points 31, and the two ends of the spring plate 4 form semi-circular grooves 42. The spring plate 4 rests on the spring fixing points 31 through the semi-circular grooves 42.

[0019] The moving contact sleeve 3 is formed by splicing two moving contact sleeve side plates 30. The two moving contact sleeve side plates 30 form opposing splicing blocks 32. The splicing blocks 32 are connected to each other and support the moving contact sleeve side plates 30. A gap is formed in the center of the moving contact sleeve side plates 30 to accommodate the moving contact 2. A positioning block 33 for fixing the moving contact 2 is formed in the center of the moving contact sleeve side plates 30.

[0020] The preferred embodiments of the present invention described above are examples of the present invention. Other obvious variations or combinations are also within the scope of protection of the claims.

Claims

1. A moving contact assembly of a disconnecting switch, comprising a rotating shaft and a moving contact, a moving contact sleeve, and a spring plate passing through the rotating shaft, wherein the moving contact is disposed inside the moving contact sleeve, the spring plate is disposed outside the moving contact sleeve, both ends of the spring plate are pressed inward against the moving contact sleeve, and the middle part of the spring plate protrudes outward, characterized in that: The moving contact assembly also includes a U-shaped buckle, with an outward-facing snap-fit ​​groove formed in the middle of the spring sheet. The two ends of the U-shaped buckle are respectively set in the snap-fit ​​grooves of the two spring sheets. The rotating shaft includes a rotating shaft seat and a rotating shaft cover. A splicing groove is formed on the rotating shaft seat, and a splicing hook is formed on the rotating shaft cover. The rotating shaft cover is spliced ​​with the rotating shaft seat in the splicing groove by the splicing hook.

2. The moving contact assembly of the disconnecting switch according to claim 1, characterized in that: The moving contact is disposed on the inner wall of one moving contact sleeve, and the moving contact and the center of the moving contact on the other moving contact sleeve form opposing top blocks.

3. The moving contact assembly of the disconnecting switch according to claim 2, characterized in that: The moving contact assembly also includes a support plate. The moving contact forms two support plate hinge points on both sides of the top block. The two support plates are respectively hinged to the support plate hinge points of the moving contact. Support points protruding to both sides are formed on the support plates.

4. The moving contact assembly of the disconnecting switch according to claim 1, 2, or 3, characterized in that: Two symmetrical splicing grooves are formed on the pivot seat, and two symmetrical splicing hooks are formed on the pivot cover, with the splicing hooks fastened inside the splicing grooves.

5. The moving contact assembly of the disconnecting switch according to claim 4, characterized in that: The side wall of the rotating shaft forms a dividing block that protrudes outward to separate the moving contacts at both ends. The splicing groove on the rotating shaft seat and the splicing hook on the rotating shaft cover are respectively set on the dividing block.

6. The moving contact assembly of the disconnecting switch according to claim 1, 2, or 3, characterized in that: The outer ends of the moving contact sleeve form outward protruding spring plate fixing points, and the two ends of the spring plate form semi-circular grooves. The spring plate rests on the spring fixing points through the semi-circular grooves.

7. The moving contact assembly of the disconnecting switch according to claim 2 or 3, characterized in that: The moving contact sleeve is composed of two moving contact sleeve side plates spliced ​​together. Opposite splicing blocks are formed on the two moving contact sleeve side plates. The splicing blocks are connected to each other and support the moving contact sleeve side plates to form a gap in the center to accommodate the moving contact.

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